Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.
There are 2759 entries in this glossary.| Term | Definition |
|---|---|
| Einstein Cross |
The four images of a quasar formed by the galaxy G2237+0305 acting as a gravitational lens. The resulting multiple image is in the form of a ring.
See also: Einstein ring.
|